著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL Commission of the European Communities,Relation between pensions and income from employment at the moment of retirement,,Office for Official Publications of the European Communities,1993,Eurostat,,9282654702,,https://cir.nii.ac.jp/crid/1130000793813985536